How to Fix USB Device Keeps Connecting and Disconnecting in Windows

If you’re experiencing an issue where your USB device keeps connecting and disconnecting in Windows, it can be both frustrating and potentially harmful to the device and your data. In this guide, we’ll explore common causes and provide effective solutions to fix the problem.

Possible Causes for USB Device Constantly Connecting and Disconnecting

  • Faulty USB Cable: A damaged or worn-out USB cable is one of the most common causes. Check for visible wear or try using a different cable.
  • Damaged USB Port: The USB port on your computer might be damaged or have a poor connection.
  • Driver Conflicts: Incorrect or outdated USB drivers can cause issues with device stability.
  • Insufficient Power Supply: Some devices require more power than the USB ports on your computer can provide.
  • Power Management Settings: Windows power-saving settings may disable USB ports to conserve energy.

How to Fix USB Device Connecting and Disconnecting Issue

1. Check the USB Cable and Device

The first step is to inspect the cable and device for any physical damage. Try connecting the device to a different port or using another cable. If possible, connect the device to a different computer to rule out any hardware issues.

2. Update USB Drivers

Outdated or incompatible drivers can cause USB devices to malfunction. Follow these steps to update your drivers:

  1. Press Win + X and select Device Manager.
  2. Expand the Universal Serial Bus controllers section and locate your device.
  3. Right-click on the device and select Update driver.
  4. Select Search automatically for drivers and follow the on-screen instructions.

3. Disable USB Power Management

Windows may automatically disable power to USB ports to save energy. To disable this setting:

  1. Open Device Manager (Win + X → Device Manager).
  2. Expand Universal Serial Bus controllers, right-click on USB Root Hub, and select Properties.
  3. Go to the Power Management tab and uncheck the box that says Allow the computer to turn off this device to save power.
  4. Repeat this step for all USB Root Hubs listed.

4. Ensure Sufficient Power for the USB Device

Some devices need more power than your computer's USB port can provide. In this case, try using a powered USB hub or connecting to a USB 3.0 port, which usually supplies more power.

5. Use USB Diagnostic Tools

If the issue persists, you can use diagnostic tools like USBDeview or USB Tree View to help identify problems with your USB devices and connections.

6. Reset USB Settings in BIOS/UEFI

Sometimes the issue can be linked to incorrect USB settings in your BIOS/UEFI. Restart your computer, enter BIOS (usually by pressing F2 or Delete during boot), navigate to the USB configuration section, and reset the settings to default.